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Lunar Eclipse?
Sun, Earth, Moon
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Solar Eclipse?
Sun, moon, earth
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Name the Electromagnetic Spectrum...
Radio waves, Microwaves, Infrared, Visible Light, Ultraviolet light, Xrays, Gamma Rays
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What is the wavelength of an electromagnetic wave that has a frequency of 3 kilohertz?
More than 1km
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The moon would be at it's fullest just before the time of a...
lunar eclipse.
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Glass is apaque to wave frequencies that...
match it's natural frequencies.
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If the sun were to disappear right now, we wouldn't know about it for 8 minutes because it takes 8 minutes...
for light to travel from the sun to the Earth.
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The size of the pupil of your eye depends on...
The brightness of light in the room and the temperature of the room.
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The sensation of color is seen when light falls on the eye's....
cones.
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A partial solar eclipse occurs for people in the sun's...
penumbra.
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A lunar eclipse occurs when the...
moon passes into Earth's shadow.
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Sunburns are produced by...
UV light.
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The speed of light in the void between molecules in glass is...
the same as it's speed in a vacuum.
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When visible light is incident upon clear glass, atoms in the glass...
are forced into vibration.
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The natural frequency of the atoms in glass is in the...
UV part of the spectrum.
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The source of all electromactetic waves is...
vibrating charges.
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Compared to UV waves, the wavelength of infrared waves is...
longer.
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The main difference between a radio wave and a light wave is it's...
speed, wavelength and frequency.
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Electromagnetic vaves consist of...
oscillating electric and magnetic fields.
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